16531106110078 has 32 divisors (see below), whose sum is σ = 28616289361920. Its totient is φ = 7015457347200.

The previous prime is 16531106110073. The next prime is 16531106110081. The reversal of 16531106110078 is 87001160113561.

It is a self number, because there is not a number n which added to its sum of digits gives 16531106110078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16531106110073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19423878 + ... + 20257078.

It is an arithmetic number, because the mean of its divisors is an integer number (894259042560).

Almost surely, 2^{16531106110078} is an apocalyptic number.

16531106110078 is a deficient number, since it is larger than the sum of its proper divisors (12085183251842).

16531106110078 is a wasteful number, since it uses less digits than its factorization.

16531106110078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847072.

The product of its (nonzero) digits is 30240, while the sum is 40.

The spelling of 16531106110078 in words is "sixteen trillion, five hundred thirty-one billion, one hundred six million, one hundred ten thousand, seventy-eight".